org.gridgain.grid.kernal.processors.cache.distributed

Class GridDistributedTxPrepareResponse<K,V>

java.lang.Object

org.gridgain.grid.util.direct.GridTcpCommunicationMessageAdapter

org.gridgain.grid.kernal.processors.cache.GridCacheMessage<K,V>

org.gridgain.grid.kernal.processors.cache.distributed.GridDistributedBaseMessage<K,V>

org.gridgain.grid.kernal.processors.cache.distributed.GridDistributedTxPrepareResponse<K,V>

All Implemented Interfaces:

Serializable, Cloneable, GridCacheDeployable, GridCacheVersionable

Direct Known Subclasses:

GridDhtTxPrepareResponse, GridNearTxPrepareResponse

public class GridDistributedTxPrepareResponse<K,V>
extends GridDistributedBaseMessage<K,V>

Response to prepare request.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.gridgain.grid.kernal.processors.cache.distributed.GridDistributedBaseMessage

ver

Fields inherited from class org.gridgain.grid.kernal.processors.cache.GridCacheMessage

CACHE_MSG_INDEX_FIELD_NAME, MAX_CACHE_MSG_LOOKUP_INDEX

Fields inherited from class org.gridgain.grid.util.direct.GridTcpCommunicationMessageAdapter

BIT_SET_NOT_READ, BOOLEAN_ARR_NOT_READ, BYTE_ARR_LIST_NOT_READ, BYTE_ARR_NOT_READ, CACHE_VER_NOT_READ, CHAR_ARR_NOT_READ, CLOCK_DELTA_VER_NOT_READ, commState, DHT_PART_EXCHANGE_ID_NOT_READ, DOUBLE_ARR_NOT_READ, DR_INT_REQ_ENTRY_NOT_READ, ENUM_NOT_READ, FLOAT_ARR_NOT_READ, GRID_UUID_NOT_READ, INT_ARR_NOT_READ, LONG_ARR_NOT_READ, LONG_LIST_NOT_READ, MSG_NOT_READ, NULL, SHORT_ARR_NOT_READ, STR_NOT_READ, UUID_NOT_READ, VAL_BYTES_NOT_READ

Constructor Summary

Constructors

Constructor and Description
GridDistributedTxPrepareResponse() Empty constructor (required by Externalizable).
GridDistributedTxPrepareResponse(GridCacheVersion xid)
GridDistributedTxPrepareResponse(GridCacheVersion xid, Throwable err)

Method Summary

Methods

Modifier and Type	Method and Description
void	candidates(Map<K,Collection<GridCacheMvccCandidate<K>>> cands)
Collection<GridCacheMvccCandidate<K>>	candidatesForKey(K key)
GridTcpCommunicationMessageAdapter	clone()
protected void	clone0(GridTcpCommunicationMessageAdapter _msg) Clones all fields of the provided message to this.
byte	directType()
Throwable	error()
void	error(Throwable err)
void	finishUnmarshal(GridCacheContext<K,V> ctx, ClassLoader ldr) This method is called after the message is deserialized and is responsible for unmarshalling state marshalled in GridCacheMessage.prepareMarshal(GridCacheContext) method.
boolean	isRollback()
void	prepareMarshal(GridCacheContext<K,V> ctx) This method is called before the whole message is serialized and is responsible for pre-marshalling state.
boolean	readFrom(ByteBuffer buf)
String	toString()
boolean	writeTo(ByteBuffer buf)

Methods inherited from class org.gridgain.grid.kernal.processors.cache.distributed.GridDistributedBaseMessage

candidatesByIndex, candidatesByIndex, candidatesByKey, candidatesByKey, candidatesByKey, committedVersions, completedVersions, keysCount, rolledbackVersions, version, version

Methods inherited from class org.gridgain.grid.kernal.processors.cache.GridCacheMessage

allowForStartup, classError, deployInfo, ignoreClassErrors, lookupIndex, marshalBooleanLinkedMap, marshalCollection, marshalFilter, marshalInfo, marshalInfos, marshalTx, marshalValuesCollection, messageId, nextIndexId, onClassError, prepare, prepareFilter, prepareObject, prepareObjects, topologyVersion, unmarshalBooleanLinkedMap, unmarshalCollection, unmarshalFilter, unmarshalInfo, unmarshalInfos, unmarshalTx, unmarshalValueBytesCollection

Methods inherited from class org.gridgain.grid.util.direct.GridTcpCommunicationMessageAdapter

arrayIterator, messageReader, messageWriter

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.gridgain.grid.kernal.processors.cache.GridCacheDeployable

deployInfo, prepare

Constructor Detail

GridDistributedTxPrepareResponse

public GridDistributedTxPrepareResponse()

Empty constructor (required by Externalizable).

GridDistributedTxPrepareResponse

public GridDistributedTxPrepareResponse(GridCacheVersion xid)

Parameters:

xid - Transaction ID.

GridDistributedTxPrepareResponse

public GridDistributedTxPrepareResponse(GridCacheVersion xid,
                                Throwable err)

Parameters:

xid - Lock ID.

err - Error.

Method Detail

error

public Throwable error()

Returns:

Error.

error

public void error(Throwable err)

Parameters:

err - Error to set.

isRollback

public boolean isRollback()

Returns:

Rollback flag.

candidates

public void candidates(Map<K,Collection<GridCacheMvccCandidate<K>>> cands)

Parameters:

cands - Candidates map to set.

prepareMarshal

public void prepareMarshal(GridCacheContext<K,V> ctx)
                    throws GridException

This method is called before the whole message is serialized and is responsible for pre-marshalling state.

Overrides:

prepareMarshal in class GridDistributedBaseMessage<K,V>

Parameters:

ctx - Cache context.

Throws:

GridException - If failed.

finishUnmarshal

public void finishUnmarshal(GridCacheContext<K,V> ctx,
                   ClassLoader ldr)
                     throws GridException

This method is called after the message is deserialized and is responsible for unmarshalling state marshalled in GridCacheMessage.prepareMarshal(GridCacheContext) method.

Overrides:

finishUnmarshal in class GridDistributedBaseMessage<K,V>

Parameters:

ctx - Context.

ldr - Class loader.

Throws:

GridException - If failed.

candidatesForKey

@Nullable
public Collection<GridCacheMvccCandidate<K>> candidatesForKey(K key)

Parameters:

key - Candidates key.

Returns:

Collection of lock candidates at given index.

clone

public GridTcpCommunicationMessageAdapter clone()

Specified by:

clone in class GridTcpCommunicationMessageAdapter

clone0

protected void clone0(GridTcpCommunicationMessageAdapter _msg)

Clones all fields of the provided message to this.

Overrides:

clone0 in class GridDistributedBaseMessage<K,V>

Parameters:

_msg - Message to clone from.

writeTo

public boolean writeTo(ByteBuffer buf)

Overrides:

writeTo in class GridDistributedBaseMessage<K,V>

Parameters:

buf - Byte buffer.

Returns:

Whether message was fully written.

readFrom

public boolean readFrom(ByteBuffer buf)

Overrides:

readFrom in class GridDistributedBaseMessage<K,V>

Parameters:

buf - Byte buffer.

Returns:

Whether message was fully read.

directType

public byte directType()

Specified by:

directType in class GridTcpCommunicationMessageAdapter

Returns:

Message type.

toString

public String toString()

Overrides:

toString in class GridDistributedBaseMessage<K,V>